Glossary#
Symbols#
Symbol |
Definition |
Units |
Notes |
|---|---|---|---|
\(\sigma_{bs}\) |
differential backscattering cross-section |
m2 |
|
\(\sigma_{b}\) |
backscattering cross-section |
m2 |
|
\(TS\) |
target strength |
dB re 1 m2 |
|
\(s_V\) |
volume backscattering coefficient |
m-1 |
|
\(S_V\) |
volume backscattering strength |
dB re 1 m-1 |
|
\(s_A\) or \(NASC\) |
nautical areal backscattering coefficients |
m2nmi-2 |
|
\(s_a\) or \(ABC\) |
areal backscattering coefficient |
m2m-2 |
|
\(\rho_a\) |
number density of animals |
m-2 |
|
\(\rho_A\) |
nautical areal number density |
nmi-2 |
|
\(\rho_B\) |
biomass density |
kg nmi-2 |
|
\(B\) |
biomass estimates |
kg |
|
\(i\) |
stratum |
||
\(\alpha\) |
age |
year |
|
\(L\) or \(\ell\) |
length of animal |
m or cm |
|
\(s\) |
sex of animal |
||
\(w\) |
weight of animal |
kg |
|
\(N\) |
number of animal samples |
||
\(x, y\) |
geospatial location (latitude, longitude) |
degrees |
|
\(x_k, y_k\) |
kriging grid location |
Acronyms#
INPFC: International North Pacific Fisheries Commission
K-S test: Kolomogorov-Smirnov test